See also:

Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your Lexus dealer immediately. ...

Adjusting sound quality and volume balance
 - Changing sound quality modes Press the “TUNE/SEL” knob. Pressing the button changes sound modes in the following order: “BAS” → “MID” → “TRE” → “FAD” & ...

Setting up the display
Setting up the information display To set up the display, press the “DISP” switch until the desired item appears. If left idle for approximately 10 seconds, the display will revert to the previo ...